
/*++

Copyright (c)  1999  - 2014, Intel Corporation. All rights reserved

  SPDX-License-Identifier: BSD-2-Clause-Patent



Module Name:

  vlvAccess.h

Abstract:

  Macros to simplify and abstract the interface to PCI configuration.

--*/

#ifndef _VLVACCESS_H_INCLUDED_
#define _VLVACCESS_H_INCLUDED_

#include "Valleyview.h"
#include "VlvCommonDefinitions.h"
#include <Library/IoLib.h>

//
// Memory Mapped IO access macros used by MSG BUS LIBRARY
//
#define MmioAddress( BaseAddr, Register ) \
  ( (UINTN)BaseAddr + \
    (UINTN)(Register) \
  )


//
// UINT32
//

#define Mmio32Ptr( BaseAddr, Register ) \
  ( (volatile UINT32 *)MmioAddress( BaseAddr, Register ) )

#define Mmio32( BaseAddr, Register ) \
  *Mmio32Ptr( BaseAddr, Register )

#define Mmio32Or( BaseAddr, Register, OrData ) \
  Mmio32( BaseAddr, Register ) = \
    (UINT32) ( \
      Mmio32( BaseAddr, Register ) | \
      (UINT32)(OrData) \
    )

#define Mmio32And( BaseAddr, Register, AndData ) \
  Mmio32( BaseAddr, Register ) = \
    (UINT32) ( \
      Mmio32( BaseAddr, Register ) & \
      (UINT32)(AndData) \
    )

#define Mmio32AndThenOr( BaseAddr, Register, AndData, OrData ) \
  Mmio32( BaseAddr, Register ) = \
    (UINT32) ( \
      ( Mmio32( BaseAddr, Register ) & \
          (UINT32)(AndData) \
      ) | \
      (UINT32)(OrData) \
    )

//
// UINT16
//

#define Mmio16Ptr( BaseAddr, Register ) \
  ( (volatile UINT16 *)MmioAddress( BaseAddr, Register ) )

#define Mmio16( BaseAddr, Register ) \
  *Mmio16Ptr( BaseAddr, Register )

#define Mmio16Or( BaseAddr, Register, OrData ) \
  Mmio16( BaseAddr, Register ) = \
    (UINT16) ( \
      Mmio16( BaseAddr, Register ) | \
      (UINT16)(OrData) \
    )

#define Mmio16And( BaseAddr, Register, AndData ) \
  Mmio16( BaseAddr, Register ) = \
    (UINT16) ( \
      Mmio16( BaseAddr, Register ) & \
      (UINT16)(AndData) \
    )

#define Mmio16AndThenOr( BaseAddr, Register, AndData, OrData ) \
  Mmio16( BaseAddr, Register ) = \
    (UINT16) ( \
      ( Mmio16( BaseAddr, Register ) & \
          (UINT16)(AndData) \
      ) | \
      (UINT16)(OrData) \
    )

//
// UINT8
//

#define Mmio8Ptr( BaseAddr, Register ) \
  ( (volatile UINT8 *)MmioAddress( BaseAddr, Register ) )

#define Mmio8( BaseAddr, Register ) \
  *Mmio8Ptr( BaseAddr, Register )

#define Mmio8Or( BaseAddr, Register, OrData ) \
  Mmio8( BaseAddr, Register ) = \
    (UINT8) ( \
      Mmio8( BaseAddr, Register ) | \
      (UINT8)(OrData) \
    )

#define Mmio8And( BaseAddr, Register, AndData ) \
  Mmio8( BaseAddr, Register ) = \
    (UINT8) ( \
      Mmio8( BaseAddr, Register ) & \
      (UINT8)(AndData) \
    )

#define Mmio8AndThenOr( BaseAddr, Register, AndData, OrData ) \
  Mmio8( BaseAddr, Register ) = \
    (UINT8) ( \
      ( Mmio8( BaseAddr, Register ) & \
          (UINT8)(AndData) \
        ) | \
      (UINT8)(OrData) \
    )

//
// MSG BUS API
//

#define MSG_BUS_ENABLED     0x000000F0
#define MSGBUS_MASKHI       0xFFFFFF00
#define MSGBUS_MASKLO       0x000000FF

#define MESSAGE_BYTE_EN          BIT4
#define MESSAGE_WORD_EN          BIT4 | BIT5
#define MESSAGE_DWORD_EN         BIT4 | BIT5 | BIT6 | BIT7

#define SIDEBAND_OPCODE          0x78
#define MEMREAD_OPCODE           0x00000000
#define MEMWRITE_OPCODE          0x01000000



/***************************/
//
// Memory mapped PCI IO
//

#define PciCfgPtr(Bus, Device, Function, Register )\
    (UINTN)(Bus << 20) + \
    (UINTN)(Device << 15) + \
    (UINTN)(Function << 12) + \
    (UINTN)(Register)

#define PciCfg32Read_CF8CFC(B,D,F,R) \
  (UINT32)(IoOut32(0xCF8,(0x80000000|(B<<16)|(D<<11)|(F<<8)|(R))),IoIn32(0xCFC))

#define PciCfg32Write_CF8CFC(B,D,F,R,Data) \
  (IoOut32(0xCF8,(0x80000000|(B<<16)|(D<<11)|(F<<8)|(R))),IoOut32(0xCFC,Data))

#define PciCfg32Or_CF8CFC(B,D,F,R,O) \
  PciCfg32Write_CF8CFC(B,D,F,R, \
    (PciCfg32Read_CF8CFC(B,D,F,R) | (O)))

#define PciCfg32And_CF8CFC(B,D,F,R,A) \
  PciCfg32Write_CF8CFC(B,D,F,R, \
    (PciCfg32Read_CF8CFC(B,D,F,R) & (A)))

#define PciCfg32AndThenOr_CF8CFC(B,D,F,R,A,O) \
  PciCfg32Write_CF8CFC(B,D,F,R, \
    (PciCfg32Read_CF8CFC(B,D,F,R) & (A)) | (O))

//
// Device 0, Function 0
//
#define McD0PciCfg64(Register)                              MmPci64           (0, MC_BUS, 0, 0, Register)
#define McD0PciCfg64Or(Register, OrData)                    MmPci64Or         (0, MC_BUS, 0, 0, Register, OrData)
#define McD0PciCfg64And(Register, AndData)                  MmPci64And        (0, MC_BUS, 0, 0, Register, AndData)
#define McD0PciCfg64AndThenOr(Register, AndData, OrData)    MmPci64AndThenOr  (0, MC_BUS, 0, 0, Register, AndData, OrData)

#define McD0PciCfg32(Register)                              MmPci32           (0, MC_BUS, 0, 0, Register)
#define McD0PciCfg32Or(Register, OrData)                    MmPci32Or         (0, MC_BUS, 0, 0, Register, OrData)
#define McD0PciCfg32And(Register, AndData)                  MmPci32And        (0, MC_BUS, 0, 0, Register, AndData)
#define McD0PciCfg32AndThenOr(Register, AndData, OrData)    MmPci32AndThenOr  (0, MC_BUS, 0, 0, Register, AndData, OrData)

#define McD0PciCfg16(Register)                              MmPci16           (0, MC_BUS, 0, 0, Register)
#define McD0PciCfg16Or(Register, OrData)                    MmPci16Or         (0, MC_BUS, 0, 0, Register, OrData)
#define McD0PciCfg16And(Register, AndData)                  MmPci16And        (0, MC_BUS, 0, 0, Register, AndData)
#define McD0PciCfg16AndThenOr(Register, AndData, OrData)    MmPci16AndThenOr  (0, MC_BUS, 0, 0, Register, AndData, OrData)

#define McD0PciCfg8(Register)                               MmPci8            (0, MC_BUS, 0, 0, Register)
#define McD0PciCfg8Or(Register, OrData)                     MmPci8Or          (0, MC_BUS, 0, 0, Register, OrData)
#define McD0PciCfg8And(Register, AndData)                   MmPci8And         (0, MC_BUS, 0, 0, Register, AndData)
#define McD0PciCfg8AndThenOr( Register, AndData, OrData )   MmPci8AndThenOr   (0, MC_BUS, 0, 0, Register, AndData, OrData)


//
// Device 2, Function 0
//
#define McD2PciCfg64(Register)                              MmPci64           (0, MC_BUS, 2, 0, Register)
#define McD2PciCfg64Or(Register, OrData)                    MmPci64Or         (0, MC_BUS, 2, 0, Register, OrData)
#define McD2PciCfg64And(Register, AndData)                  MmPci64And        (0, MC_BUS, 2, 0, Register, AndData)
#define McD2PciCfg64AndThenOr(Register, AndData, OrData)    MmPci64AndThenOr  (0, MC_BUS, 2, 0, Register, AndData, OrData)

#define McD2PciCfg32(Register)                              MmPci32           (0, MC_BUS, 2, 0, Register)
#define McD2PciCfg32Or(Register, OrData)                    MmPci32Or         (0, MC_BUS, 2, 0, Register, OrData)
#define McD2PciCfg32And(Register, AndData)                  MmPci32And        (0, MC_BUS, 2, 0, Register, AndData)
#define McD2PciCfg32AndThenOr(Register, AndData, OrData)    MmPci32AndThenOr  (0, MC_BUS, 2, 0, Register, AndData, OrData)

#define McD2PciCfg16(Register)                              MmPci16           (0, MC_BUS, 2, 0, Register)
#define McD2PciCfg16Or(Register, OrData)                    MmPci16Or         (0, MC_BUS, 2, 0, Register, OrData)
#define McD2PciCfg16And(Register, AndData)                  MmPci16And        (0, MC_BUS, 2, 0, Register, AndData)
#define McD2PciCfg16AndThenOr(Register, AndData, OrData)    MmPci16AndThenOr  (0, MC_BUS, 2, 0, Register, AndData, OrData)

#define McD2PciCfg8(Register)                               MmPci8            (0, MC_BUS, 2, 0, Register)
#define McD2PciCfg8Or(Register, OrData)                     MmPci8Or          (0, MC_BUS, 2, 0, Register, OrData)
#define McD2PciCfg8And(Register, AndData)                   MmPci8And         (0, MC_BUS, 2, 0, Register, AndData)

//
// IO
//

#ifndef IoIn8

#define IoIn8(Port) \
  IoRead8(Port)

#define IoIn16(Port) \
  IoRead16(Port)

#define IoIn32(Port) \
  IoRead32(Port)

#define IoOut8(Port, Data) \
  IoWrite8(Port, Data)

#define IoOut16(Port, Data) \
  IoWrite16(Port, Data)

#define IoOut32(Port, Data) \
  IoWrite32(Port, Data)

#endif

#endif
